Side by side

Borealis Watch Co. Sea Storm MK2vsSeiko Astron

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Sea Storm MK2
Borealis Watch Co.Sea Storm MK2
MSRP $475
Astron
SeikoAstron
MSRP $2,500

At a glance

13 of 29 specs differ
Diameter
Sea Storm MK241.50mm
Astron42mm
Power Reserve
Sea Storm MK240h
Astron40h
Water Resistance
Sea Storm MK2300m
Astron100m
MSRP
Sea Storm MK2$475
Astron$2,500

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41.50mm
42mm
Thickness
14.15mm
12.4mm
Lug-to-Lug
48.50mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Super-clear coating
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
NH38
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$475
$2,500

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